Fat skimmer



FIG. 1 is a front elevated view of a fat skimmer showing my new design;

FIG. 2 is a side elevated view of the fat skimmer;

FIG. 3 is a rear elevated view of the fat skimmer;

FIG. 4 is a top plan view of the fat skimmer; and,

FIG. 5 is a bottom plan view of the fat skimmer. 

The ornamental design for a fat skimmer, as shown and described. 